Security Bulletin: A security vulnerability has been identified in WebSphere Application Server shipped with WebSphere Remote Server (CVE-2021-20517)

Summary

WebSphere Application Server is shipped with WebSphere Remote Server. Information about a security vulnerability affecting WebSphere Application Server has been published in a security bulletin.

Vulnerability Details

CVEID:CVE-2021-20517
**DESCRIPTION:**IBM WebSphere Application Server Network Deployment 8.5 and 9.0 could allow a remote authenticated attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/…/) to read and delete arbitrary files on the system. IBM X-Force ID: 198435.
CVSS Base score: 6.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198435 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L)

Affected Products and Versions

Remediation/Fixes

Refer to the following security bulletins for vulnerability details and information about fixes addressed by WebSphere Application Server which is shipped with WebSphere Remote Server.

Principal Product and Version(s)

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Affected Supporting Product and Version

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Affected Supporting Product Security Bulletin

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WebSphere Remote Server 9.0, 8.5

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WebSphere Application Server 9.0, 8.5

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WebSphere Application Server ND is vulnerable to Directory Traversal vulnerability (CVE-2021-20517)

Workarounds and Mitigations

None